Simparica Trio Green is the ultimate all-in-one monthly chew for your large canine, packing a punch of broad-spectrum parasite protection. With its irresistible liver-flavoured formula, its designed to keep dogs weighing 20.1-40kg safe from fleas, ticks, heartworm, roundworms, and hookworms. Pet Suitability & Product Care Perfect for large breeds like Golden Retrievers, Labradors, and Boxers Give around the same day each month for maximum effectiveness If your dog is heartworm positive, consult your vet before use Ensure your pets weight matches the correct product range for accurate dosing Discover More Keep your furry friend safe from all sorts of nasties with our extensive range of parasite protection. Prefer spot-ons? Weve got you covered with our range of flea and worming spot-ons for dogs. About the Brand Simparica is all about innovation in pet health, offering top-notch solutions for parasite control. Learn more about their commitment to keeping your pets healthy and explore their full range of products here.